Overview
Malaria is a serious disease that spreads when you’re bitten by a mosquito infected by Plasmodium parasites. When it bites, the mosquito injects malaria parasites into your bloodstream.
Malaria is common in tropical areas where it’s hot and humid. Most cases happen in Africa and South Asia. It’s rare in the U.S.
Without treatment, malaria can cause brain damage, organ failure and death. See a healthcare provider right away if you live in or have traveled to an area where malaria spreads and you have symptoms.
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Symptoms
When to see a doctor
Complications
Blood clots are a dangerous complication of atrial fibrillation (AFib). Blood clots can lead to stroke.
The risk of stroke from AFib increases as you grow older. Other health conditions also may increase the risk of a stroke due to AFib. These conditions include:
- High blood pressure.
- Diabetes.
- Heart failure.
- Some types of heart valve disease.
Blood thinners are commonly prescribed to prevent blood clots and strokes in people with atrial fibrillation.
Prevention
Healthy lifestyle choices can reduce the risk of heart disease and may prevent atrial fibrillation (AFib). Here are some basic heart-healthy tips:
- Control high blood pressure, high cholesterol and diabetes.
- Don't smoke or use tobacco.
- Eat a diet that's low in salt and saturated fat.
- Exercise at least 30 minutes a day on most days of the week unless your health care team says not to.
- Get good sleep. Adults should aim for 7 to 9 hours daily.
- Maintain a healthy weight.
- Reduce and manage stress.
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